Home / 197,863,640.80-296,795,461.20-136,641,637.60

Finding the Fourth Proportional to 197,863,640.80, 296,795,461.20 and 136,641,637.60

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Solution

The fourth proportional to 197,863,640.80, 296,795,461.20 and 136,641,637.60 is: 204,962,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,863,640.80 : 296,795,461.20 = 136,641,637.60 : x
  2. Step 2: Convert to fraction form
    197,863,640.80/296,795,461.20 = 136,641,637.60/x
  3. Step 3: Cross multiply
    197,863,640.80x = 296,795,461.20 × 136,641,637.60
  4. Step 4: Simplify right side
    197,863,640.80x = 40,554,617,850,615,256
  5. Step 5: Solve for x
    x = 40,554,617,850,615,256/197,863,640.80
  6. Step 6: Final answer
    x = 204,962,456.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.